NH34 Movement: San Martin Dive Watches SN054GE, Japan NH34 fully automatic mechanical movement, with a daily error of plus or minus 5 seconds, frequency 21,600 times per hour(3Hz), second stop device. Please turn the crown about 20 turns when first using the watch.
Premium Workmanship: Made of 316L stainless steel, anti-fingerprint with bead blasted process. And the watch mirror is in hard and scratch-resistant top hat domed sapphire with anti-reflective AR coating for clear visibility and protection.
100m Water Resistant: 100m ( 10 Bar ) waterproof, screw down crown improves the waterproof performance. Suitable for swimming, water activities and daily. It's an ideal gift for Diver.
Full Luminous Effect: The hour markers and GMT 4 hands of the automatic watch with BGW-X1 Blue Light, which has super bright effect and allows you to grasp the time without light.
Size of Watch: 39mm round case diameter, 12.8mm thick, and the width of the stainless steel bracelet is 20mm.